1998 Buick Century Owner's Manual - Page 227

8. Don't let the other end touch metal.Connect it to the positive (+) terminal of the good battery. Use a remote positive (+) terminal if the vehicle has one. 10. Attach the cable at least 18 inches (45 cm) away from the dead battery, but not near engine parts that move. The electrical connection just as good is there, but thechance of sparks gettingback to the battery is much less. 11. Now start the vehicle with the good battery and run the engine for awhile. 12. Try to start the vehicle with the dead battery. If it won't start aftera few tries, it probably needs service. 9. Now connect the black negative (-) cable to the good battery's negative (-) terminal. Don't let the other end touch anything until the next step. The other end of the negative (-) cable doesn't go to the dead battery. 13. Remove the cables in reverse order toprevent electrical shorting.Take care that they don't touch each other orany other metal. It goes to a heavy, unpainted, metal part on the engine of the vehicle with the dead battery. 5-7